# Theremin Synth vs Approvl

The clearest difference is price: Approvl at Free against Theremin Synth's $2.99. Theremin Synth's advantage is in-app purchases (none vs 2) and iOS requirement (12.1 vs 17.6). On ads and device support there is nothing between them.

Approvl is free to download; Theremin Synth costs $2.99 up front. Approvl sells 2 in-app purchases, starting at $9.99 per month. Theremin Synth asks for nothing beyond the download.

## The numbers

| Metric | Theremin Synth | Approvl |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/theremin-synth-record-and-loop/id1104816326/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 1 MB | 19 MB |
| Requires iOS | **12.1** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Luke Phillips](https://appshunter.io/developer/1104816325) | [Ian Miller](https://appshunter.io/developer/380600567) |

## What reviewers say

### Theremin Synth

[App page](https://appshunter.io/ios/app/theremin-synth-record-and-loop/id1104816326)

Create unique soundscapes with this multitouch synthesizer. Record, loop, and overdub your creations, then export them as WAV files to share. Experiment with various waveforms and effects for endless sonic possibilities.

**Highlights:** Multitouch synthesis, Record, loop, and overdub, Adjustable delay, feedback, and scuzz effects, Four waveform options, Export recordings as WAV files, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Approvl

[App page](https://appshunter.io/ios/app/approvl/id6771484311)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Approvl Monthly subscription | $9.99 | per month |
| Approvl - Annual Subscription | $99.99 | per year |


## Frequently asked questions

### Is Theremin Synth free?

Theremin Synth costs $2.99, with no in-app purchases.

### Is Approvl free?

Approvl is free to download, with in-app purchases available.

### Do Theremin Synth or Approvl have ads?

Neither Theremin Synth nor Approvl shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*